Related Experiment Video

Updated: Aug 13, 2026

Conjunctival Commensal Isolation and Identification in Mice
07:52

Conjunctival Commensal Isolation and Identification in Mice

Published on: May 1, 2021

[Antibiotic resistance of conjunctival bacterial flora in children]

Marek E Prost1, Katarzyna Semczuk

  • 1Z Kliniki Okulistycznej Wojskowego Instytutu Medycyny Lotniczej w Warszawie.

Klinika Oczna
|January 19, 2006
PubMed

Insights

Conjunctival bacterial flora in Polish children revealed pathogenic isolates in 26.3%. Significant antibiotic resistance, particularly Gram-positive cocci to aminoglycosides and fluoroquinolones, was observed in this pediatric population.

Area of Science:

  • Ophthalmology
  • Microbiology
  • Pediatrics

Context:

  • Conjunctival bacterial flora plays a crucial role in ocular health.
  • Antibiotic resistance is a growing global concern in healthcare.
  • Understanding local resistance patterns is vital for effective treatment.

Purpose:

  • To assess the prevalence of conjunctival bacterial flora in children.
  • To determine the antibiotic resistance patterns of these bacteria.
  • To evaluate resistance to common ophthalmological antibiotics in Poland.

Summary:

  • Bacterial conjunctival cultures were performed on 593 children without ocular infections.
  • Pathogenic bacteria were identified in 26.3% of the children.
  • Gram-positive cocci were the most common isolates (70.5%), showing significant resistance to aminoglycosides (5-65%) and emerging resistance to fluoroquinolones (21% in coagulase-negative staphylococci).

Impact:

  • Highlights the need for updated antibiotic prescribing guidelines in pediatric ophthalmology in Poland.
  • Provides crucial data on antibiotic resistance trends in a pediatric population.
  • Informs strategies to combat antimicrobial resistance in eye infections.
Abstract

More Related Videos

A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva07:35

A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva

Published on: July 5, 2017

Visualization of Bacterial Resistance using Fluorescent Antibiotic Probes08:23

Visualization of Bacterial Resistance using Fluorescent Antibiotic Probes

Published on: March 2, 2020

Related Concept Videos

Microbiome of the Eye01:22

Microbiome of the Eye

The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Development of Antibiotic Resistance01:30

Development of Antibiotic Resistance

Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
Antibiotic Selection00:57

Antibiotic Selection

Overview
Surface Membrane Barriers01:18

Surface Membrane Barriers

The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...